Question

Hazel covered a box with felt. The dimensions of the box are shown in the figure below:

A rectangular prism is shown. The length of the rectangular prism is labeled as 11 inches, the height is labeled as 6 inches, and the width is labeled as 8 inches.

The felt costs 9¢ per square inch. She will only pay for the felt used to cover the box, even if there is waste or extra. How much money did Hazel spend on the felt?

Answer 1

@Nnesha @iGreen @Haichi @LouisDeee @LastTrainHome22

Answer 2

HElp @Haichi

Answer 3

Do you have a formula for surface area?

Answer 4

ho....

Answer 5

no

Answer 6

In essence, surface area is just how big of an area the sides of an object take up. An easy way to think about solving these is to just find the area of each side of your solid, and then add them all together

Answer 7

okay

Answer 8

@nopen

Answer 9

you need to know the formula for the surface area of a rectangular prism

\[A=2(wl+hl+hw)\]

Answer 10

is it 36. 36?

Answer 11

yup